Which element is a main component of steel?

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Multiple Choice

Which element is a main component of steel?

Explanation:
Steel is an alloy whose dominant element is iron. The carbon content and small additions of other elements tailor its hardness and strength, but iron makes up the largest portion by weight in most steels. Copper and aluminum are more typical of other metals or alloys, not the primary component of steel. Nickel appears in some steels, especially stainless varieties, to boost properties like corrosion resistance, but it is usually present in smaller amounts than iron. So the main component is iron.

Steel is an alloy whose dominant element is iron. The carbon content and small additions of other elements tailor its hardness and strength, but iron makes up the largest portion by weight in most steels. Copper and aluminum are more typical of other metals or alloys, not the primary component of steel. Nickel appears in some steels, especially stainless varieties, to boost properties like corrosion resistance, but it is usually present in smaller amounts than iron. So the main component is iron.

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